On Thu, Apr 21, 2022 at 11:46:57PM +0000, Dhanraj, Vijay wrote: > Hi All, > > I evaluated V4 patch changes with Gramine and ran into an issue when > trying to set EPC page permission to PROT_NONE. It looks like with V3 > patch series a change was introduced which requires kernel to have at > least R permission when calling RESTRICT IOCTL. This change was done > under the assumption that EPCM requires at least R permission for > EMODPE/EACCEPT to succeed. But when testing with V2 version, EACCEPT > worked fine with page permission set to PROT_NONE. > > Thanks to @Shanahan, Mark for confirming that EPCM does not need to have > R value to allow EACCEPT or EMODPE. Given this, can we please revert this > change? > > Thanks, > -Vijay Let's try to avoid top-posting and split the lines appropriately. BR, Jarkko
